Conveyor belt scraper blade base member



FIG. 1 is a perspective view of the design for a conveyor belt scraper blade base member, showing the front, top and left sides thereof.

FIG. 2 is a left side view of the design, the right side view being a mirror image thereof.

FIG. 3 is a top view of the design.

FIG. 4 is a front view of the design.

FIG. 5 is a bottom view of the design; and,

FIG. 6 is a rear view of the design. 

CLAIM The ornamental design for a conveyor belt scraper blade base member, as shown and described. 